EP1314454B1 - Gymnastics springboard with adjustable elasticity for training or competition - Google Patents

Gymnastics springboard with adjustable elasticity for training or competition Download PDF

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Publication number
EP1314454B1
EP1314454B1 EP02354179A EP02354179A EP1314454B1 EP 1314454 B1 EP1314454 B1 EP 1314454B1 EP 02354179 A EP02354179 A EP 02354179A EP 02354179 A EP02354179 A EP 02354179A EP 1314454 B1 EP1314454 B1 EP 1314454B1
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EP
European Patent Office
Prior art keywords
frame
springboard
gymnastics
intermediate plate
gymnastics springboard
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Expired - Lifetime
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EP02354179A
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German (de)
French (fr)
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EP1314454A1 (en
Inventor
Gérard BARBAFIERI
Henri Miceli
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Gymnova SAS
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Gymnova SAS
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B5/00Apparatus for jumping
    • A63B5/08Spring-boards
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B5/00Apparatus for jumping
    • A63B5/08Spring-boards
    • A63B2005/085Spring-boards for launching, e.g. catapulting

Definitions

  • the springboards for the practice of gymnastics are intended to improve the performance of gymnasts in the performance of acrobatic tricks or in the crossing of apparatus, including the jumping horse or, more recently, the jump table.
  • springboards have dimensions determined by the International Federation of Gymnastics, which are currently 1200 x 600 mm and 220 mm in height with identical elasticity, independent of the weight of the gymnast who can vary between 30kg and 80kg.
  • the document FR 9102434 describes a gymnastic springboard having a surface coating which materializes the impact zone. This springboard is not intended for competition because it does not have the required dimensions, and the elasticity of the impact zone is not homogeneous.
  • the object of the invention is to overcome the disadvantages, and consists of providing a gymnastic springboard for training and competition, having a homogeneous impact zone, and an elasticity that can be easily adjusted.
  • Figure 1 shows a perspective view of the springboard according to the invention. It comprises a top plate (1) covered with a flexible coating equipped with visual identification means, a frame (2) formed by a base plate pierced with a hole (3), and a curved intermediate plate (5).
  • the curved plate (5) upwards has hinges (6) at one end, an adjustable support bar (7), and bearing members (8) at the opposite end bearing on the underside of the plate (1).
  • a adjustment system (9) adjusts the elasticity, and a retaining strap (10) is arranged between the upper plate (1) and the frame (2). Non-slip pads (not shown) are provided under the frame (2).
  • FIG. 2 is a top view of the springboard, and represents the two distinct zones of the plateau (1), comprising a first dark-colored zone A constituting the inactive part of the springboard, and the second zone B constituting the most effective part; homogeneous springboard.
  • Figure 3 shows the springboard seen from the side.
  • the support bar (7) of the curved plate (5) is movable between the point C, which will make the springboard flexible, and the point D, which will make the springboard harder.
  • the dashed lines of the plate (1) represent the maximum loaded springboard.
  • Figure 4 shows a top view of the springboard, after removal of the plate (1) and the curved intermediate plate (5).
  • the sliding system of the support bar (7) and a pair of guides (11 and 11 ') avoiding any jamming effect when actuating a quick adjustment lever (12) of the bar support (7).
  • the adjusting lever (12) is fixed at the point (13) on the frame (2), and is articulated at the point (14). This lever is telescopic so as not to protrude from the springboard after adjustment.
  • a series of holes (15) and notches (16) are provided in the frame (2) to allow rapid positioning of the removable springs (4).
  • Figure 5 shows, in section, the positioning of a removable spring (4) on the frame (2).
  • Figure 6 shows a top view of Figure 5, with the removable spring (4) bearing on the plate (18).
  • the effective impact zone of the springboard is easily identifiable visually by the gymnast, is adjustable in hardness, and has a homogeneous structure for all settings without weakening the springboard.
  • the anti-slip coating that covers the platform (1) of the springboard is made in two different colors: a color that delimits the inefficient part A of the springboard (Figure 2), and another color, to draw the eye on the effective area and homogeneous springboard (part B of Figure 2).
  • the curved plate (5) is a resilient plate spring effect, having a rigid structure, strong and highly deformable under the effort. It is made of a composite material based on resin and reinforcing fibers, in particular glass fibers, carbon fibers or any other resilient resilient material.
  • the bearing members (8) at the end of the curved intermediate plate (5) are arranged under the middle of the impact zone of the springboard, and serve to limit wear, friction and not to slow down the descent of the board (1) during the gymnast's jump.
  • the total displacement of the rolling members (8) under the plate (1) is about 30 mm between a position without load and a maximum load position (the impact of the gymnast's jump) of about 2500 Kg (see dashed lines in Figure 3). The small displacement avoids altering the homogeneity of the impact zone.
  • the hinge (6) serves to give the degrees of freedom of the curved intermediate plate (5) to exploit all its flexibility.
  • the adjustable support bar (7) of the intermediate plate (5) is formed by a round metal tube, which is guided by means of rails (11 and 11 '- Figure 4) in the hole (3) of the chassis (2). This displacement from point C to point D (FIG. 3) eases or hardens the end of the intermediate plate (5) at the impact zone of the springboard in the vicinity of the bearings (8).
  • the displacement of the support bar (7) is made possible by a rack (9 - fig.1) or by a telescopic lever (12 - fig.4), or any other system such as a pedal for quick adjustment.
  • the hole (3) of the frame (2) serves to guide the support bar (7), but also to fully accommodate the curved plate (5) during a violent impact (dotted in Figure 3). As a result, the amplitude of depression of the plate (1) is increased, thus the effectiveness of the springboard.
  • the system of springs (4) interchangeable allows to remove or add springs, or change the hardness or the type of springs with great ease.
  • the frame (2) may include a multitude of oblong holes to adjust the number and location of the springs (4) required relative to the gymnast template.
  • the holes (15) and the notches (16) may have different shapes (triangular, rectangular, or any other shape other than circular).
  • the combination of the two sets constituted by the plate (5) curved adjustable and the springs (4) interchangeable, allows to have a springboard that adapts very quickly and very easily to different gymnasts templates (30 to 80 Kg) .

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Springs (AREA)
  • Vibration Dampers (AREA)
  • Laminated Bodies (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Toys (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The springboard consists of an upper panel (1) with a coating that demarcates the outline of its impact zone. The elasticity of the upper panel is varied by means of a curved inner panel (5) connected to a base (2) by a hinge (6), and a spring adjuster. The inner panel has an adjustable thrust bar (7) and upper rollers (8) interacting with the upper panel's under surface, and is made from a resin based composition material reinforced with fibres of carbon, glass or other material. It is adjusted by a rack and handwheel mechanism (9) or lever.

Description

Domaine technique de l'inventionTechnical field of the invention

Les tremplins pour la pratique de la gymnastique sont destinés à améliorer les performances des gymnastes dans l'exécution de figures acrobatiques ou dans le franchissement d'agrès, notamment le cheval de saut ou , plus récemment, la table de saut.The springboards for the practice of gymnastics are intended to improve the performance of gymnasts in the performance of acrobatic tricks or in the crossing of apparatus, including the jumping horse or, more recently, the jump table.

Ces tremplins ont des dimensions déterminées par la Fédération Intemationale de Gymnastique, qui sont actuellement 1200 x 600 mm et 220 mm de hauteur avec une élasticité identique, indépendante du poids du gymnaste qui peut varier entre 30kg et 80kg.These springboards have dimensions determined by the International Federation of Gymnastics, which are currently 1200 x 600 mm and 220 mm in height with identical elasticity, independent of the weight of the gymnast who can vary between 30kg and 80kg.

Etat de la techniqueState of the art

Il existe des tremplins réglables en élasticité, mais les opérations de réglage restent compliquées, notamment si elles nécessitent la suppression ou le rajout de ressorts d'amortissement. Des défauts peuvent apparaître susceptibles d'affaiblir les zones d'impact avec des risques de rupture du plateau, et de rendre le tremplin peu homogène en souplesse. De plus, la visualisation de la zone efficace d'impact n'est pas toujours matérialisée sur le plateau du tremplin.There are springboards adjustable in elasticity, but the adjustment operations are complicated, especially if they require the removal or addition of damping springs. Defects may appear to weaken the impact areas with the risk of breakage of the plateau, and make the springboard inhomogeneous flexibility. In addition, the visualization of the effective impact zone is not always materialized on the board of the springboard.

Le document FR 9102434 décrit un tremplin de gymnastique ayant un revêtement superficiel qui matérialise la zone d'impact. Ce tremplin n'est pas destiné à la compétition, car il n'a pas les dimensions requises, et l'élasticité de la zone d'impact n'est pas homogène.The document FR 9102434 describes a gymnastic springboard having a surface coating which materializes the impact zone. This springboard is not intended for competition because it does not have the required dimensions, and the elasticity of the impact zone is not homogeneous.

Objet de l'inventionObject of the invention

L'objet de l'invention à pour but de supprimer les inconvénients, et consiste à réaliser un tremplin de gymnastique pour l'entraînement et la compétition, ayant une zone d'impact homogène, et une élasticité pouvant être facilement ajustée.The object of the invention is to overcome the disadvantages, and consists of providing a gymnastic springboard for training and competition, having a homogeneous impact zone, and an elasticity that can be easily adjusted.

Le tremplin selon l'invention comporte à cet effet un plateau supérieur revêtu d'un revêtement subdivisé en deux zones distinctes permettant de démarquer visuellement la zone d'impact, laquelle présente une structure homogène, et élastique variant en dureté par l'intermédiaire :

  • d'une plaque intermédiaire galbée articulée au châssis en son extrémité basse par une chamière, et se trouvant en appui par des organes de roulements en son extrémité haute sous le milieu de la zone d'impact du plateau, le châssis étant plus large que la plaque intermédiaire galbée,
  • d'une barre d'appui réglable coopérant avec la plaque intermédiaire galbée entre deux positions longitudinales par la manoeuvre d'un élément d'actionnement, ladite barre étant guidée par des rails dans le trou du châssis,
  • et d'un système rapide d'ajout ou de suppression de ressorts positionnés par dessous le châssis par un mouvement combiné de compression et de rotation à travers des trous oblongs.
For this purpose, the springboard according to the invention comprises an upper plate coated with a coating subdivided into two distinct zones making it possible to visually demarcate the impact zone, which has a homogeneous, elastic structure varying in hardness through:
  • a curved intermediate plate hinged to the frame at its lower end by a hinge, and being supported by bearing members at its upper end in the middle of the plateau impact zone, the frame being wider than the intermediate plate curved,
  • an adjustable support bar cooperating with the intermediate plate curved between two longitudinal positions by the operation of an actuating element, said bar being guided by rails in the hole of the chassis,
  • and a rapid system of adding or removing springs positioned beneath the frame by a combined movement of compression and rotation through oblong holes.

Description d'un mode de réalisation préférentielDescription of a preferred embodiment

La Figure 1 montre une vue en perspective du tremplin selon l'invention. Il comporte un plateau (1) supérieur recouvert d'un revêtement souple équipé de moyens de repérage visuel, un châssis (2) formé par une plaque de base percée d'un trou (3), et une plaque intermédiaire (5) galbée.Figure 1 shows a perspective view of the springboard according to the invention. It comprises a top plate (1) covered with a flexible coating equipped with visual identification means, a frame (2) formed by a base plate pierced with a hole (3), and a curved intermediate plate (5).

La plaque galbée (5) vers le haut, est dotée de charnières (6) à l'une des extrémités, d'une barre d'appui réglable (7), et d'organes de roulements (8) à l'extrémité opposée prenant appui sur la face inférieure du plateau (1). Un système de réglage (9) permet d'ajuster l'élasticité, et une sangle de retenue (10) est agencée entre le plateau supérieur (1) et le châssis (2). Des patins antidérapants (non représentés) sont prévus sous le châssis (2).The curved plate (5) upwards has hinges (6) at one end, an adjustable support bar (7), and bearing members (8) at the opposite end bearing on the underside of the plate (1). A adjustment system (9) adjusts the elasticity, and a retaining strap (10) is arranged between the upper plate (1) and the frame (2). Non-slip pads (not shown) are provided under the frame (2).

La Figure 2 est une vue de dessus du tremplin, et représente les deux zones distinctes du plateau (1), comprenant une première zone A de couleur foncée constituant la partie inactive du tremplin, et la deuxième zone B constituant la partie la plus efficace et homogène du tremplin.FIG. 2 is a top view of the springboard, and represents the two distinct zones of the plateau (1), comprising a first dark-colored zone A constituting the inactive part of the springboard, and the second zone B constituting the most effective part; homogeneous springboard.

La Figure 3 montre le tremplin vu de côté. La barre d'appui (7) de la plaque galbée (5) est déplaçable entre le point C, ce qui rendra le tremplin souple, et le point D, ce qui rendra le tremplin plus dur. Les traits pointillés du plateau (1) représentent le tremplin en charge maximum.Figure 3 shows the springboard seen from the side. The support bar (7) of the curved plate (5) is movable between the point C, which will make the springboard flexible, and the point D, which will make the springboard harder. The dashed lines of the plate (1) represent the maximum loaded springboard.

La Figure 4 montre une vue de dessus du tremplin, après enlèvement du plateau (1) et de la plaque intermédiaire galbée (5). On remarque le système de coulisse de la barre d'appui (7), et une paire de guides (11 et 11') évitant tout effet de coincement lors de l'actionnement d'un levier de réglage rapide (12) de la barre d'appui (7).Figure 4 shows a top view of the springboard, after removal of the plate (1) and the curved intermediate plate (5). We note the sliding system of the support bar (7), and a pair of guides (11 and 11 ') avoiding any jamming effect when actuating a quick adjustment lever (12) of the bar support (7).

Le levier de réglage (12) est fixé au point (13) sur le châssis (2), et est articulé au point (14). Ce levier est télescopique pour ne pas faire saillie du tremplin après le réglage. Une série de trous(15) et d'encoches (16) sont ménagés dans le châssis (2) pour autoriser le positionnement rapide des ressorts (4) amovibles.The adjusting lever (12) is fixed at the point (13) on the frame (2), and is articulated at the point (14). This lever is telescopic so as not to protrude from the springboard after adjustment. A series of holes (15) and notches (16) are provided in the frame (2) to allow rapid positioning of the removable springs (4).

La figure 5 montre, en coupe, le positionnement d'un ressort amovible (4) sur le châssis (2).Figure 5 shows, in section, the positioning of a removable spring (4) on the frame (2).

La figure 6 représente une vue de dessus de la figure 5, avec le ressort amovible (4) prenant appui sur la platine (18).Figure 6 shows a top view of Figure 5, with the removable spring (4) bearing on the plate (18).

La zone d'impact efficace du tremplin est facilement repérable visuellement par le gymnaste, est réglable en dureté, et présente une structure homogène pour tous les réglages sans affaiblir le tremplin.The effective impact zone of the springboard is easily identifiable visually by the gymnast, is adjustable in hardness, and has a homogeneous structure for all settings without weakening the springboard.

Le revêtement anti-dérapant qui recouvre le plateau (1) du tremplin est réalisé en deux couleurs différentes : une couleur qui délimite la partie A inefficace du tremplin (figure 2), et une autre couleur, pour attirer l'oeil sur la zone efficace et homogène du tremplin (la partie B de la figure 2).The anti-slip coating that covers the platform (1) of the springboard is made in two different colors: a color that delimits the inefficient part A of the springboard (Figure 2), and another color, to draw the eye on the effective area and homogeneous springboard (part B of Figure 2).

La plaque galbée (5) est une plaque élastique à effet ressort, en présentant une structure rigide, résistante et fortement déformable sous l'effort. Elle est réalisée en un matériau composite à base de résine et de fibres de renforcement, notamment fibres de verre, fibres de carbone ou tout autre matériau élastique résistant.The curved plate (5) is a resilient plate spring effect, having a rigid structure, strong and highly deformable under the effort. It is made of a composite material based on resin and reinforcing fibers, in particular glass fibers, carbon fibers or any other resilient resilient material.

Les organes de roulements (8) à l'extrémité de la plaque intermédiaire galbée (5) sont agencés sous le milieu de la zone d'impact du tremplin, et servent à limiter l'usure, le frottement et à ne pas freiner la descente du plateau (1) lors du saut du gymnaste. Le déplacement total des organes de roulements (8) sous le plateau (1) est d'environ 30 mm entre une position sans charge et une position de charge maximale (l'impact du saut du gymnaste) d'environ 2500 Kg (voir en traits pointillés sur la Figure 3). Le faible déplacement évite d'altérer l'homogénéité de la zone d'impact. La charnière (6) sert à donner les degrés de liberté de la plaque intermédiaire galbée (5) afin d'exploiter toute sa flexibilité.The bearing members (8) at the end of the curved intermediate plate (5) are arranged under the middle of the impact zone of the springboard, and serve to limit wear, friction and not to slow down the descent of the board (1) during the gymnast's jump. The total displacement of the rolling members (8) under the plate (1) is about 30 mm between a position without load and a maximum load position (the impact of the gymnast's jump) of about 2500 Kg (see dashed lines in Figure 3). The small displacement avoids altering the homogeneity of the impact zone. The hinge (6) serves to give the degrees of freedom of the curved intermediate plate (5) to exploit all its flexibility.

La barre d'appui réglable (7) de la plaque intermédiaire (5) est formée par un tube rond en métal, lequel est guidé à l'aide de rails (11 et 11' - figure 4) dans le trou (3) du châssis (2). Ce déplacement du point C au point D (figure 3) assoupli ou durci l'extrémité de la plaque intermédiaire (5) au niveau de la zone d'impact du tremplin au voisinage des roulements (8).The adjustable support bar (7) of the intermediate plate (5) is formed by a round metal tube, which is guided by means of rails (11 and 11 '- Figure 4) in the hole (3) of the chassis (2). This displacement from point C to point D (FIG. 3) eases or hardens the end of the intermediate plate (5) at the impact zone of the springboard in the vicinity of the bearings (8).

Le déplacement de la barre d'appui (7) est rendu possible par une crémaillère (9 - fig.1) ou par un levier télescopique (12 - fig.4), ou tout autre système tel que pédale permettant un réglage rapide.The displacement of the support bar (7) is made possible by a rack (9 - fig.1) or by a telescopic lever (12 - fig.4), or any other system such as a pedal for quick adjustment.

Le trou (3) du châssis (2) sert à guider la barre d'appui (7), mais aussi à loger entièrement la plaque galbée (5) lors d'un impact violent (pointillés de la figure 3). De ce fait, on augmente l'amplitude d'enfoncement du plateau (1) donc l'efficacité du tremplin.The hole (3) of the frame (2) serves to guide the support bar (7), but also to fully accommodate the curved plate (5) during a violent impact (dotted in Figure 3). As a result, the amplitude of depression of the plate (1) is increased, thus the effectiveness of the springboard.

Le système de ressorts (4) interchangeables permet d'enlever ou de rajouter des ressorts, ou de changer la dureté ou le type de ressorts avec une grande facilité. Le châssis (2) peut comporter une multitude de trous de forme oblong afin d'ajuster le nombre et l'emplacement des ressorts (4) nécessaires par rapport au gabarit du gymnaste.The system of springs (4) interchangeable allows to remove or add springs, or change the hardness or the type of springs with great ease. The frame (2) may include a multitude of oblong holes to adjust the number and location of the springs (4) required relative to the gymnast template.

Pour ajouter un ressort (4), il suffit de le loger dans un trou oblong sur le châssis (2), de le comprimer légèrement contre le plateau (1) et de le faire tourner d'un quart de tour avec la barrette de manipulation (17), afin de verrouiller la platine (18) dans les encoches (16). Les trous (15) et les encoches (16) peuvent avoir des formes différentes (triangulaire, rectangulaire, ou tout autre forme autre que circulaire).To add a spring (4), simply place it in an oblong hole on the frame (2), compress it slightly against the plate (1) and rotate it a quarter turn with the handlebar (17) to lock the plate (18) in the notches (16). The holes (15) and the notches (16) may have different shapes (triangular, rectangular, or any other shape other than circular).

La combinaison des deux ensembles constitués par la plaque (5) courbe réglable et les ressorts (4) interchangeables, permet d'avoir un tremplin qui s'adapte très rapidement et très facilement à des gabarits de gymnastes différents (de 30 à 80 Kg).The combination of the two sets constituted by the plate (5) curved adjustable and the springs (4) interchangeable, allows to have a springboard that adapts very quickly and very easily to different gymnasts templates (30 to 80 Kg) .

Claims (7)

  1. A gymnastics springboard with adjustable elasticity, comprising a top board (1) covered with a coating subdivided into two distinct zones (A and B) enabling the impact zone (B) to be defined visually, which presents a homogeneous and flexible structure with a hardness able to be adjusted by means of:
    - a curved intermediate plate (5) articulated on the frame (2) at its bottom end by a hinge (6) and bearing by rolling means (8) at its top end under the middle of the impact zone (B) of the board (1), the frame (2) being wider than the curved intermediate plate (5),
    - an adjustable support bar (7) cooperating with the curved intermediate plate (5) between two longitudinal positions (C and D) by maneuvering an actuating member, said bar being guided by rails (11 and 11') in an hole (3) of the frame (2),
    - and a system for quick addition or removal of springs (4) positioned underneath the frame (2) by a combined compression and rotation movement through other holes (15) of the frame which are oblong.
  2. The gymnastics springboard according to claim 1, wherein the two zones (A and B) of the coating of the top board (1) present contrasted colors.
  3. The gymnastics springboard according to claim 1, wherein the curved intermediate plate (5) is made of a resin-based composite material strengthened with fibers, in particular glass fibers, carbon fibers or any other resistant flexible material.
  4. The gymnastics springboard according to claim 1, wherein the actuating member is formed by a rack with an adjustment wheel (9) enabling adjustment to be performed quickly.
  5. The gymnastics springboard according to claim 1, wherein the actuating member is formed by an adjustment lever (12).
  6. The gymnastics springboard according to claim 1, wherein the springs (4) comprise support plates (18) inserted through the oblong holes (15) of the frame (2).
  7. The gymnastics springboard according to claim 6, wherein the plates (18) of the springs (4) are housed in notches (16) of the frame (2).
EP02354179A 2001-11-27 2002-11-19 Gymnastics springboard with adjustable elasticity for training or competition Expired - Lifetime EP1314454B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0115404 2001-11-27
FR0115404A FR2832640B1 (en) 2001-11-27 2001-11-27 ELASTICITY ADJUSTABLE GYMNASTIC SPRINGBOARD FOR TRAINING AND COMPETITION

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EP1314454A1 EP1314454A1 (en) 2003-05-28
EP1314454B1 true EP1314454B1 (en) 2006-06-28

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AT (1) ATE331560T1 (en)
DE (1) DE60212789D1 (en)
FR (1) FR2832640B1 (en)

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KR101932124B1 (en) * 2013-04-03 2018-12-26 삼성디스플레이 주식회사 Jig assembly, laminating apparatus and method for laminating using the same
RU170758U1 (en) * 2016-05-23 2017-05-05 Федеральное государственное автономное научное учреждение "Центральный научно-исследовательский и опытно-конструкторский институт робототехники и технической кибернетики" (ЦНИИ РТК) OBSTACLE TO MOBILE MECHANISM
CN109432735A (en) * 2018-09-26 2019-03-08 宿州学院 A kind of wushu training auxiliary bouncer based on kinect
FR3090391B1 (en) * 2018-12-20 2021-09-24 Henri Miceli Adjustable diving board
CN111632335A (en) * 2020-06-19 2020-09-08 泰山学院 A jumping device for physical education

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DE2103315A1 (en) * 1971-01-25 1972-08-17 Wilkesmann, Helmut, 8000 München Springboard of low height with adjustable spring stiffness
US4460170A (en) * 1982-05-28 1984-07-17 Amf Inc. Vaulting boards
FR2673114B1 (en) * 1991-02-22 1994-01-14 Gymnova Sa GYMNASTIC SPRINGBOARD WITH ADJUSTABLE ELASTICITY, WITH INTEGRATED SAFETY ZONE.
DE4437400C1 (en) * 1994-10-19 1996-05-30 Spieth Holztechnik Gmbh Trampoline for gymnastics with shock absorber and spring

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FR2832640A1 (en) 2003-05-30
FR2832640B1 (en) 2004-01-02
EP1314454A1 (en) 2003-05-28
ATE331560T1 (en) 2006-07-15
DE60212789D1 (en) 2006-08-10

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